public boolean isUpToDate()

in src/main/java/com/intellij/compiler/impl/InternalCompileDriver.java [96:137]
37 lines of code
10 McCabe index (conditional complexity)

    public boolean isUpToDate(CompileScope scope) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("isUpToDate operation started");
        }

        final CompilerTask task = new CompilerTask(myProject, "Classes up-to-date check", true, false, false, isCompilationStartedAutomatically(scope));
        final CompileContextImpl compileContext = new CompileContextImpl(myProject, task, scope, true, false);

        final Ref<ExitStatus> result = new Ref<>();

        task.start(() -> {
            final ProgressIndicator indicator = compileContext.getProgressIndicator();
            if (indicator.isCanceled() || myProject.isDisposed()) {
                return;
            }
            try {
                final TaskFuture future = compileInExternalProcess(compileContext, true);
                if (future != null) {
                    while (!future.waitFor(200L, TimeUnit.MILLISECONDS)) {
                        if (indicator.isCanceled()) {
                            future.cancel(false);
                        }
                    }
                }
            }
            catch (Throwable e) {
                LOG.error(e);
            }
            finally {
                result.set(COMPILE_SERVER_BUILD_STATUS.get(compileContext));
                if (!myProject.isDisposed()) {
                    CompilerCacheManager.getInstance(myProject).flushCaches();
                }
            }
        }, null);

        if (LOG.isDebugEnabled()) {
            LOG.debug("isUpToDate operation finished");
        }

        return ExitStatus.UP_TO_DATE.equals(result.get());
    }